import axios from 'axios';
import { Message } from 'element-ui';
import store from '@/store';
import { getToken } from '@/utils/auth';

// create an axios instance
const instance = axios.create({
	baseURL: 'http://localhost:7001/', // api的base_url（线上地址：http://hmmm-api.itheima.net/）
	timeout: 5000 // request timeout
});

// request interceptor
instance.interceptors.request.use(
	(config) => {
		// Do something before request is sent
		if (store.getters.token) {
			config.headers.Authorization = `Bearer ${getToken()}`; // 让每个请求携带token-- ['X-Token']为自定义key 请根据实际情况自行修改
		}
		return config;
	},
	(error) => {
		// Do something with request error
		console.log(error); // for debug
		Promise.reject(error);
	}
);

// respone interceptor
instance.interceptors.response.use(
	(response) => response,
	/**
   * 下面的注释为通过response自定义code来标示请求状态，当code返回如下情况为权限有问题，登出并返回到登录页
   * 如通过xmlhttprequest 状态码标识 逻辑可写在下面error中
   */
	//  const res = response.data;
	//     if (res.code !== 20000) {
	//       Message({
	//         message: res.message,
	//         type: 'error',
	//         duration: 5 * 1000
	//       });
	//       // 50008:非法的token; 50012:其他客户端登录了;  50014:Token 过期了;
	//       if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
	//         MessageBox.confirm('你已被登出，可以取消继续留在该页面，或者重新登录', '确定登出', {
	//           confirmButtonText: '重新登录',
	//           cancelButtonText: '取消',
	//           type: 'warning'
	//         }).then(() => {
	//           store.dispatch('FedLogOut').then(() => {
	//             location.reload();// 为了重新实例化vue-router对象 避免bug
	//           });
	//         })
	//       }
	//       return Promise.reject('error');
	//     } else {
	//       return response.data;
	//     }
	(error) => {
		console.log('err' + error); // for debug
		Message({
			message: error.message,
			type: 'error',
			duration: 5 * 1000
		});
		return Promise.reject(error);
	}
);

export const createAPI = (url, method, data) => {
	const config = {};
	if (method === 'get') {
		config.params = data;
	} else {
		config.data = data;
	}
	return instance({
		url,
		method,
		...config
	});
};

export const createFormAPI = (url, method, data) => {
	const config = {};
	config.data = data;
	config.headers = {
		'Cache-Control': 'no-cache',
		'Content-Type': 'application/x-www-form-urlencoded'
	};
	config.responseType = 'json';
	config.transformRequest = [
		function(data) {
			let ret = '';
			for (const it in data) {
				ret += encodeURIComponent(it) + '=' + encodeURIComponent(data[it]) + '&';
			}
			return ret;
		}
	];
	return instance({
		url,
		method,
		...config
	});
};
